Duplicate chemical questions from https://chemistry.stackexchange.com/
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https://zenodo.org/record/4590264
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Stackexchange is also a collection of questions, some of which have been marked as duplicates by site-adminsitrators. I downloaded a data dump that contains the questions sorted by subject. I picked the chemistry subject because MEsH includes many chemistry-related concepts.
There are 660 questions that have been marked as duplicates (class 1).
I generated a further 861 pairs of non-duplicates (class 2) by looking for pairs of questions that aren't marked as either duplicates or related.
创建时间：
2021-03-23
